Example #1
0
func main() {
	var (
		as        []string
		hostMatch string
	)
	mflagext.ListVar(&as, []string{"a", "-alias"}, []string{}, "Specify hostname aliases in the form alias:hostname.  Can be repeated.")
	mflag.StringVar(&hostMatch, []string{"h", "-host-match"}, "*.weave.local", "Specify main host shExpMatch expression in pacfile")
	mflag.Parse()

	var aliases = map[string]string{}
	for _, a := range as {
		parts := strings.SplitN(a, ":", 2)
		if len(parts) != 2 {
			fmt.Printf("'%s' is not a valid alias.\n", a)
			mflag.Usage()
			os.Exit(1)
		}
		aliases[parts[0]] = parts[1]
	}

	go socksProxy(aliases)

	t := template.Must(template.New("pacfile").Parse(pacfile))
	http.HandleFunc("/proxy.pac", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/x-ns-proxy-autoconfig")
		t.Execute(w, pacFileParameters{hostMatch, aliases})
	})

	if err := http.ListenAndServe(":8080", nil); err != nil {
		panic(err)
	}
}
Example #2
0
File: main.go Project: brb/weave
func main() {
	var (
		justVersion bool
		logLevel    = "info"
		c           proxy.Config
		withDNS     bool
	)

	c.Version = version

	mflag.BoolVar(&justVersion, []string{"#version", "-version"}, false, "print version and exit")
	mflag.StringVar(&logLevel, []string{"-log-level"}, "info", "logging level (debug, info, warning, error)")
	mflagext.ListVar(&c.ListenAddrs, []string{"H"}, nil, "addresses on which to listen")
	mflag.StringVar(&c.HostnameFromLabel, []string{"-hostname-from-label"}, "", "Key of container label from which to obtain the container's hostname")
	mflag.StringVar(&c.HostnameMatch, []string{"-hostname-match"}, "(.*)", "Regexp pattern to apply on container names (e.g. '^aws-[0-9]+-(.*)$')")
	mflag.StringVar(&c.HostnameReplacement, []string{"-hostname-replacement"}, "$1", "Expression to generate hostnames based on matches from --hostname-match (e.g. 'my-app-$1')")
	mflag.BoolVar(&c.RewriteInspect, []string{"-rewrite-inspect"}, false, "Rewrite 'inspect' calls to return the weave network settings (if attached)")
	mflag.BoolVar(&c.NoDefaultIPAM, []string{"#-no-default-ipam", "-no-default-ipalloc"}, false, "do not automatically allocate addresses for containers without a WEAVE_CIDR")
	mflag.BoolVar(&c.NoRewriteHosts, []string{"-no-rewrite-hosts"}, false, "do not automatically rewrite /etc/hosts. Use if you need the docker IP to remain in /etc/hosts")
	mflag.StringVar(&c.TLSConfig.CACert, []string{"#tlscacert", "-tlscacert"}, "", "Trust certs signed only by this CA")
	mflag.StringVar(&c.TLSConfig.Cert, []string{"#tlscert", "-tlscert"}, "", "Path to TLS certificate file")
	mflag.BoolVar(&c.TLSConfig.Enabled, []string{"#tls", "-tls"}, false, "Use TLS; implied by --tlsverify")
	mflag.StringVar(&c.TLSConfig.Key, []string{"#tlskey", "-tlskey"}, "", "Path to TLS key file")
	mflag.BoolVar(&c.TLSConfig.Verify, []string{"#tlsverify", "-tlsverify"}, false, "Use TLS and verify the remote")
	mflag.BoolVar(&withDNS, []string{"#-with-dns", "#w"}, false, "option removed")
	mflag.BoolVar(&c.WithoutDNS, []string{"-without-dns"}, false, "instruct created containers to never use weaveDNS as their nameserver")
	mflag.BoolVar(&c.NoMulticastRoute, []string{"-no-multicast-route"}, false, "do not add a multicast route via the weave interface when attaching containers")
	mflag.Parse()

	if justVersion {
		fmt.Printf("weave proxy  %s\n", version)
		os.Exit(0)
	}

	SetLogLevel(logLevel)

	Log.Infoln("weave proxy", version)
	Log.Infoln("Command line arguments:", strings.Join(os.Args[1:], " "))

	if withDNS {
		Log.Warning("--with-dns option has been removed; DNS is on by default")
	}

	c.Image = getenv("EXEC_IMAGE", "weaveworks/weaveexec")
	c.DockerBridge = getenv("DOCKER_BRIDGE", "docker0")
	c.DockerHost = getenv("DOCKER_HOST", "unix:///var/run/docker.sock")
	c.ProcPath = getenv("PROCFS", "/proc")

	p, err := proxy.NewProxy(c)
	if err != nil {
		Log.Fatalf("Could not start proxy: %s", err)
	}
	defer p.Stop()

	listeners := p.Listen()
	p.AttachExistingContainers()
	go p.Serve(listeners)
	go p.ListenAndServeStatus("/home/weave/status.sock")
	SignalHandlerLoop()
}
Example #3
0
func main() {
	var (
		justVersion bool
		logLevel    = "info"
		c           = proxy.Config{ListenAddrs: []string{}}
	)

	c.Version = version

	mflag.BoolVar(&justVersion, []string{"#version", "-version"}, false, "print version and exit")
	mflag.StringVar(&logLevel, []string{"-log-level"}, "info", "logging level (debug, info, warning, error)")
	mflagext.ListVar(&c.ListenAddrs, []string{"H"}, nil, "addresses on which to listen")
	mflag.StringVar(&c.HostnameFromLabel, []string{"-hostname-from-label"}, "", "Key of container label from which to obtain the container's hostname")
	mflag.StringVar(&c.HostnameMatch, []string{"-hostname-match"}, "(.*)", "Regexp pattern to apply on container names (e.g. '^aws-[0-9]+-(.*)$')")
	mflag.StringVar(&c.HostnameReplacement, []string{"-hostname-replacement"}, "$1", "Expression to generate hostnames based on matches from --hostname-match (e.g. 'my-app-$1')")
	mflag.BoolVar(&c.RewriteInspect, []string{"-rewrite-inspect"}, false, "Rewrite 'inspect' calls to return the weave network settings (if attached)")
	mflag.BoolVar(&c.NoDefaultIPAM, []string{"#-no-default-ipam", "-no-default-ipalloc"}, false, "do not automatically allocate addresses for containers without a WEAVE_CIDR")
	mflag.BoolVar(&c.NoRewriteHosts, []string{"-no-rewrite-hosts"}, false, "do not automatically rewrite /etc/hosts. Use if you need the docker IP to remain in /etc/hosts")
	mflag.StringVar(&c.TLSConfig.CACert, []string{"#tlscacert", "-tlscacert"}, "", "Trust certs signed only by this CA")
	mflag.StringVar(&c.TLSConfig.Cert, []string{"#tlscert", "-tlscert"}, "", "Path to TLS certificate file")
	mflag.BoolVar(&c.TLSConfig.Enabled, []string{"#tls", "-tls"}, false, "Use TLS; implied by --tls-verify")
	mflag.StringVar(&c.TLSConfig.Key, []string{"#tlskey", "-tlskey"}, "", "Path to TLS key file")
	mflag.BoolVar(&c.TLSConfig.Verify, []string{"#tlsverify", "-tlsverify"}, false, "Use TLS and verify the remote")
	mflag.BoolVar(&c.WithDNS, []string{"-with-dns", "w"}, false, "instruct created containers to always use weaveDNS as their nameserver")
	mflag.BoolVar(&c.WithoutDNS, []string{"-without-dns"}, false, "instruct created containers to never use weaveDNS as their nameserver")
	mflag.Parse()

	if justVersion {
		fmt.Printf("weave proxy  %s\n", version)
		os.Exit(0)
	}

	if c.WithDNS && c.WithoutDNS {
		Log.Fatalf("Cannot use both '--with-dns' and '--without-dns' flags")
	}

	SetLogLevel(logLevel)

	Log.Infoln("weave proxy", version)
	Log.Infoln("Command line arguments:", strings.Join(os.Args[1:], " "))

	p, err := proxy.NewProxy(c)
	if err != nil {
		Log.Fatalf("Could not start proxy: %s", err)
	}

	listeners := p.Listen()
	p.AttachExistingContainers()
	go p.Serve(listeners)
	go p.ListenAndServeStatus("/home/weave/status.sock")
	SignalHandlerLoop()
}